145573664 has 48 divisors (see below), whose sum is σ = 295094016. Its totient is φ = 70656000.

The previous prime is 145573663. The next prime is 145573667. The reversal of 145573664 is 466375541.

145573664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145573663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226784 + ... + 227424.

It is an arithmetic number, because the mean of its divisors is an integer number (6147792).

Almost surely, 2^145573664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145573664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147547008).

145573664 is an abundant number, since it is smaller than the sum of its proper divisors (149520352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145573664 is a wasteful number, since it uses less digits than its factorization.

145573664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 841 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 145573664 is about 12065.3911664728. The cubic root of 145573664 is about 526.0507018358.

The spelling of 145573664 in words is "one hundred forty-five million, five hundred seventy-three thousand, six hundred sixty-four".